13545389 has 8 divisors (see below), whose sum is σ = 15913632. Its totient is φ = 11366640.

The previous prime is 13545383. The next prime is 13545391. The reversal of 13545389 is 98354531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13545389 - 2⁴ = 13545373 is a prime.

It is a super-2 number, since 2×13545389² = 366955126322642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13545383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47219 + ... + 47504.

It is an arithmetic number, because the mean of its divisors is an integer number (1989204).

Almost surely, 2^13545389 is an apocalyptic number.

It is an amenable number.

13545389 is a deficient number, since it is larger than the sum of its proper divisors (2368243).

13545389 is a wasteful number, since it uses less digits than its factorization.

13545389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94747.

The product of its digits is 64800, while the sum is 38.

The square root of 13545389 is about 3680.4060917241. The cubic root of 13545389 is about 238.3767131605.

The spelling of 13545389 in words is "thirteen million, five hundred forty-five thousand, three hundred eighty-nine".